1 /*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "gtest/gtest.h"
18
19 #include "chre/core/audio_util.h"
20
21 using chre::AudioUtil;
22 using chre::Nanoseconds;
23
TEST(AudioDurationFromSampleCountAndRate,HalfSecond)24 TEST(AudioDurationFromSampleCountAndRate, HalfSecond) {
25 Nanoseconds duration =
26 AudioUtil::getDurationFromSampleCountAndRate(8000, 16000);
27 EXPECT_EQ(duration.toRawNanoseconds(), 500000000ull);
28 }
29
TEST(AudioDurationFromSampleCountAndRate,OneSecond)30 TEST(AudioDurationFromSampleCountAndRate, OneSecond) {
31 Nanoseconds duration =
32 AudioUtil::getDurationFromSampleCountAndRate(16000, 16000);
33 EXPECT_EQ(duration.toRawNanoseconds(), 1000000000ull);
34 }
35
TEST(AudioDurationFromSampleCountAndRate,OneHundredSecond)36 TEST(AudioDurationFromSampleCountAndRate, OneHundredSecond) {
37 Nanoseconds duration =
38 AudioUtil::getDurationFromSampleCountAndRate(1600000, 16000);
39 EXPECT_EQ(duration.toRawNanoseconds(), 100000000000ull);
40 }
41
TEST(AudioSampleCountFromRateAndDuration,OneSample)42 TEST(AudioSampleCountFromRateAndDuration, OneSample) {
43 uint32_t sampleCount =
44 AudioUtil::getSampleCountFromRateAndDuration(16000, Nanoseconds(62500));
45 EXPECT_EQ(sampleCount, 1u);
46 }
47
TEST(AudioSampleCountFromRateAndDuration,OneHundredSample)48 TEST(AudioSampleCountFromRateAndDuration, OneHundredSample) {
49 uint32_t sampleCount =
50 AudioUtil::getSampleCountFromRateAndDuration(16000, Nanoseconds(6250000));
51 EXPECT_EQ(sampleCount, 100u);
52 }
53
TEST(AudioSampleCountFromRateAndDuration,OneThousandSample)54 TEST(AudioSampleCountFromRateAndDuration, OneThousandSample) {
55 uint32_t sampleCount = AudioUtil::getSampleCountFromRateAndDuration(
56 16000, Nanoseconds(62500000));
57 EXPECT_EQ(sampleCount, 1000u);
58 }
59
